Mayor of London Sadiq Khan and Jozef Wanger, member of the Auschwitz-Birkenau Foundation, are pictured ahead of ceremonies marking the 75th anniversary of the liberation of the camp and International Holocaust Victims Remembrance Day on the site of the former Nazi German concentration and extermination camp Auschwitz II-Birkenau in Brzezinka near Oswiecim, Poland, January 27, 2020. REUTERS/Kacper Pempel
